40results about "Saw chains" patented technology

Systems and methods for configuring a power tool. One system includes a power tool communication system that includes an external device and a power tool. The external device includes a user interface configured to receive a first selection to enable a feature of a power tool, and receive a second selection of a threshold of a motor characteristic of the power tool. The power tool includes a motor within a housing. The power tool receives the selected feature and the selected threshold from the external device. The power tool includes a sensor configured to monitor the motor characteristic of the motor. The power tool further includes an electronic processor that controls the motor to operate according to the selected feature and adjusts an operating parameter of the motor when the motor characteristic is determined to cross the selected threshold.

There is disclosed method for manufacturing a cutting device comprising the steps of a) providing a base comprising a cutting edge, wherein the base is made of a base material comprising a first element, b) applying a first coating layer comprising a second element on the top surface of the base by a method selected from PVD and electroplating, c) heat treating the base, wherein the step c) is performed at a temperature and for a time period sufficient for the second element to diffuse partly into the base and for the first element to diffuse at least partly into the first coating layer, whereby a gradient of a compound is formed by a reaction of the first element and the second element. Advantages include that wear resistance properties and stay sharp properties are improved, which are particularly suitable for surfaces of cutting devices. Furthermore, the method is environmentally friendly.

The invention belongs to the technical field of saw chains, and particularly relates to a multi-cutter-type arrangement combined type saw chain and a design method.The multi-cutter-type arrangement combined type saw chain comprises a saw chain body, a plurality of cutting elements are arranged on the saw chain body and are arranged according to a set sequence, and the cutting elements are arranged on the saw chain body. And the cutting mechanism compatible with various using objects is combined. According to the multi-cutting-element combined saw chain, the mode that multiple cutting elements are combined is adopted, the advantages of the multiple cutting elements are integrated into one saw chain, the use requirements of various working conditions are met, and the defect that a traditional saw chain cannot give consideration to high sharpness, high applicability, high reliability and the like is overcome.

The utility model provides a chain transmission blade of a chain saw, and belongs to the technical field of saw chain accessories. The transmission piece comprises a transmission piece main body, wherein an oil guide hole structure is arranged on the transmission piece main body, and two ends of the oil guide hole structure can extend towards a blade and a chain piece and can be respectively connected with the blade and the chain piece. The two ends of the transmission piece body extend towards the blade and the chain piece and can be connected with the blade and the chain piece through the oil guide hole structure, the area where lubricating liquid can flow through can be larger, the lubricating liquid covering face is enlarged, the lubricating liquid on the two sides of the transmission piece can be distributed more evenly, and therefore the purpose of reducing abrasion is achieved.

The utility model discloses a saw chain suitable for being matched with a lithium electric saw, which is formed by assembling a single component, the saw chain consists of a plurality of saw teeth which are continuously hinged front and back, the base part of each saw tooth comprises a front side plane and a rear side plane which are opposite to each other, the front part of the front side plane is punched and thinned to form a front sunken area, and a chain shaft hole is punched in the front sunken area; the hole edge of the chain shaft hole is chamfered; the rear part of the rear side plane is punched and thinned to form a rear sunken area, and a cylindrical boss is arranged on the rear side plane where the rear sunken area is located and serves as a chain shaft; when the previous saw tooth is hinged with the next saw tooth, the chain shaft of the previous saw tooth is inserted into the chain shaft hole of the next saw tooth and then riveted, so that the lug boss turnup is filled into the chamfer of the chain shaft hole to form hinging; a concave part is arranged at the lower part between the chain shaft of the saw teeth and the chain shaft hole, and the saw teeth are assembled to form a complete and coherent saw chain transmission tooth structure; and compactness, high efficiency and durability improvement of the saw chain are achieved, and the saw chain is particularly suitable for the requirement of a small lithium electric saw for fine cutting.

The invention relates to a connecting link (10) for a saw chain (8) of a motor-driven work tool (1), having two rivet openings (13, 14). At least one of the rivet openings (13, 14) has a first portion (22) and a second portion (23), wherein the first portion (22) is cylindrical and the second portion (23) is designed as a conical portion (29) in at least one circumferential region. The second portion (23) extends to a lateral surface (17). At least in an imaginary plane (55) which contains the centre axis (15, 16) of the rivet opening (13, 14) and extends perpendicularly to the longitudinal centre axis (19), the second portion (23) has, on the side of the rivet opening (13, 14) which is close to the underside (51), a thickened portion (24) in relation to a completely circumferential conical surface. A saw chain (8) comprises a connecting link (10).

A diamond tool bit includes a steel weld pad configured to be coupled with a drive link of a cutting chain. The diamond tool bit further comprises a diamond layer combined with the steel welding pad, wherein the diamond layer extends at the edge part of the steel welding pad along the height of the steel welding pad. Other embodiments are also disclosed and claimed.

A method for manufacturing a link (8) for an abrasive cutting chain comprises: providing a metal blank having an outer profile of the link (8) and a rivet hole (14); and providing a sealing material ring (15) by injection molding a sealing material around at least one rivet hole (14). The method further comprises providing a transfer channel (16) in the metal blank adjacent to the at least one rivet hole (14). The sealing material flows through the transfer channel (16) into at least one cavity portion of an injection mold assembly to form the at least one sealing material ring (15). A grinding chain link comprises at least one rivet hole (14). The transfer channel (16) is provided adjacent to the rivet hole (14).

Improved chainsaws, components for chainsaws, methods of manufacturing the chainsaws and components, and methods of using the chainsaws and components are disclosed. In some embodiments, the chainsaw has a sawbar and a plurality of links, where a first link has a hook that engages a recess in a second link, thereby coupling the first link and the second link together and allowing the links to articulate without disengaging. The sawbar can have a rail, and the links can have a groove, so that the links straddle and rest on the rail. The rail can have a protrusion, and the link groove can have a notch that receives the protrusion, so that the protrusion prevents the links from misaligning with each other. The links can have conical or pyramidal cutting teeth. The chain can be bidirectional. Robotic and automated operation of saws and other tools is also disclosed.

The invention provides a technology capable of suppressing shaking of a cutting object relative to a saw chain during cutting work and suppressing retention of cuttings between the saw chain and the cutting object during cutting work. The saw chain includes a plurality of drive links, a plurality of side links, and a plurality of coupling pins. At least a part of the side chain links are provided with cutting parts, and the cutting parts comprise cutting teeth and limiting teeth. The width of the staggered teeth of the saw chain ranges from 4.3 mm to 4.6 mm. The depth of the saw chain ranges from 0.1 mm to 0.3 mm. The chain pitch of the saw chain is in the range of 8.0 mm to 8.5 mm.

The present disclosure belongs to the technical field of gardening tools, in particular relates to a 3 / 16 pitch micro saw chain of a motor driven saw chain. The 3 / 16 pitch micro saw chain of the motor driven saw chain is composed of a left gear cutting chain sheet, a right gear cutting chain sheet, a side connecting sheet and a transmission sheet with a transmission function by riveting a chain shaft. The width A of a saw line is confirmed by an upper cutter point of the left gear cutting chain sheet / the right gear cutting chain sheet and the width A of the saw line is 4.4-5.4mm. A maximum height C is confirmed from the bottommost end of the transmission sheet with the transmission function top the highest part of the left gear cutting chain sheet / the right gear cutting chain sheet, and the maximum height C is Cl+C2=8.5-9.8mm. An average pitch is confirmed by a hole pitch T1 of the transmission sheet with the transmission function and a hole pitch T2 of the side connecting sheet and the left gear cutting chain sheet / the right gear cutting chain sheet, and T= (Tl+T2) / 2=4.76mm, S=A∗C∗T=178-252mm3. The present disclosure has higher cutting efficiency for the saw sheet, light weight, easy operation, no easy shaking during use, more smooth section, stronger stability and safety, and lower power consumption.

The present invention relates to a novel cutting apparatus capable of effectively cutting a material via movement in at least two different directions. In certain embodiments, the cutting apparatus comprises cutting elements with at least two cutting surfaces. Such cutting elements are capable of effectively penetrating a material when moved with an applied force in the direction that at least one cutting surface is oriented. Such cutting elements may be configured for use with a variety of cutting apparatus, including but not limited to chainsaws.

A cutting member for a saw chain and a method for the production thereof, the cutting member comprising a support part made of a steel alloy and a cutting part welded to the support part along a welding connection made of a high speed steel. The steel alloy of the support part is a tool steel that has the following composition (specifications in % by weight):Carbon (C)0.4 to 1.0Silicon (Si)up to 1.8Manganese (Mn)up to 0.6Chromium (Cr)4.5 to 12Molybdenum (Mo)up to 3Vanadium (V)up to 2Iron (Fe) and accompany elements caused by melting and impurities as the remainder. The steel alloy of the support part in a quenched and tempered state has a hardness of more than 600 HV and a tensile strength of more than 2000 MPa as a result of curing at a suitable temperature above the austenitizing temperature of the high speed steel.

A chainsaw cutting link (21) comprises: a base portion (29) provided with two rivets holes (20a, 20b) for pivotal inter- connection with adjacent links (13), and a cutting tooth (35) extending away from the base portion (29), wherein the cutting tooth (35) comprises a top plate (41) and a side plate (43) defining an angle to form an L-shaped cutting edge (45, 47, 49) facing in a cutting direction (B). The top plate (41) comprises a top plate cutting edge (45) which is sharper than at least a portion (53) of the side plate cutting edge (47).

A chainsaw cutting link (1, 1') is disclosed. The chainsaw cutting link (1, 1') is configured to move along a movement direction (md) in a cutting plane (Pc) during cutting. The cutting link (1, 1') comprises a base portion (2) and a side plate (5) and a top plate (4) defining an angle to form an L-shaped cutting tooth (3) extending away from the base portion (2). The top plate (4) comprises a top side (6') facing in a direction (d1) away from the base portion (2), a lower side (7') facing in a direction (d2) towards the base portion (2), and a lateral side (9') connecting the top side (6') and the lower side (7'). The lateral side (9') comprises a lateral side surface (9) being angled with an angle (a1) relative to the cutting plane (Pc) as measured in a plane (P1) perpendicular to the movement direction (md). The present disclosure further relates to saw chain (30) and a chainsaw (40).

A land preparation tool includes a cutting surface having a blade and a mounting interface opposite the cutting surface. The mounting interface of the land preparation tool is configured to detachably connect to a tool holder having a top surface, an end surface, a mounting surface opposite the end surface, and opposing first and second side surfaces extending between the end surface and the mounting surface. The mounting surface has an apex extending downwardly from the top surface and first and second mounting faces. The first mounting face extends inwardly from the first side surface toward the apex and the second mounting face extends inwardly from the second side surface toward the apex.

High-efficiency saw chain, characterized in that it comprises drive links (100) for power transmission, connecting links (200) for connecting adjacent drive links (100), left cutting links (300) and right cutting links (400) which have the same structure and are offset from the connecting links (200), wherein the right cutting links (400) and the left cutting links (300) are arranged offset on both sides of the drive links (100); A first oil storage structure (500) for storing lubricating oil or a second oil storage structure (600) is provided on the drive link (100), wherein the lubricating oil stored in the first oil storage structure (500) and the second oil storage structure (600) is discharged by centrifugal force to lubricate and cool the saw chain; A rivet hole (120) is provided on the drive link (100); The first oil storage structure (500) and the second oil storage structure (600) comprise an oil storage block (530) with capillary action.

The application discloses a saw chain, an electric saw and a cutting device, and relates to the technical field of felling and removing obstacles, which comprises a chain assembly and a sawtooth assembly embedded on the peripheral surface of the chain assembly; the chain assembly comprises a plurality of chain links, and the plurality of chain links are arranged in a ring shape and can be wound on a chain wheel; the sawtooth assembly comprises a steel wire, a sawtooth piece for cutting objects, and a connecting piece for connecting the steel wire and the chain assembly. The steel wire is divided into a plurality of cutting units with the same length by the sawtooth piece, the sawtooth piece is selected to be a flat tooth, each cutting unit comprises an assembly area and a chip removal area, the spacing between adjacent sawtooth pieces is increased, and the generated chippings can be quickly removed in the cutting process, so that the problem that the existing sawtooth hook shape design is easily hooked by bamboo fibers and causes the saw chain to be stuck or to be disconnected is solved.

The invention relates to a cutting element (1) for a tool chain, comprising a main body (2) and a cutting tooth (3) formed on the main body (2), wherein the cutting tooth (3) at least partially has a chromium coating (10), wherein the chromium coating (10) has a crack density of ≤ 300 cracks per centimeter. The invention also relates to a method for producing a cutting element (1) for a tool chain. The invention further relates to a tool chain and a chain tool.

A saw chain disclosed herein may be configured to be movably mounted along a periphery of a guide bar. The saw chain may include a plurality of drive links, a plurality of side links, and a plurality of connection pins. At least two side links of the plurality of side links may each include a cutting portion including a cutting blade and a depth gauge. A kerf width of the saw chain may be in a range of 4.3 mm to 4.6 mm. A depth of the saw chain may be in a range of 0.1 mm to 0.3 mm. A chain pitch of the saw chain may be in a range of 8.0 mm to 8.5 mm.

Systems and methods for configuring a power tool. One system includes a power tool communication system that includes an external device and a power tool. The external device includes a user interface configured to receive a first selection to enable a feature of a power tool, and receive a second selection of a threshold of a motor characteristic of the power tool. The power tool includes a motor within a housing. The power tool receives the selected feature and the selected threshold from the external device. The power tool includes a sensor configured to monitor the motor characteristic of the motor. The power tool further includes an electronic processor that controls the motor to operate according to the selected feature and adjusts an operating parameter of the motor when the motor characteristic is determined to cross the selected threshold.

High-performance saw chain comprising a cutting link (1) and a drive link (2), wherein the cutting link (1) and the drive link (2) are connected to each other via a rivet (3) and a connecting plate (4), characterized in that the cutting link (1) has a cutting edge (5), wherein the distance between the tip of the cutting edge (5) and the underside of the cutting link (1) is referred to as a, while the chain pitch is defined as half the distance between the centers of three successive rivets and is referred to as b, wherein the efficiency ratio k is defined as k = a / b, where 1.28 ≤ k ≤ 1.5.

This utility model belongs to the field of saw chain technology, specifically relating to a high-efficiency saw chain. It comprises a left-cutting chain, a right-cutting chain, a connecting piece, and a transmission piece with transmission function, riveted together by a chain shaft. The kerf width A is determined by the upper cutting edges of the left and right cutting chain, with A = 4.85-5.65 mm. A maximum height C is determined from the bottom of the transmission piece to the top of the left and right cutting chain, with C = C1 + C2 = 12.75-13.45 mm. An average pitch T is determined by the hole spacing T1 of the transmission piece and the hole spacing T2 between the connecting piece and the left and right cutting chain, with T = (T1 + T2) / 2 = 7.35 mm. S = A * C * T = 451-550 mm³. This utility model has high saw blade cutting efficiency, is lightweight, and requires less effort to operate.

This invention relates to a saw chain comprising a connecting link and a driving link, which are hingedly connected to each other about a rivet bolt axis by means of a rivet bolt. The rivet bolt protrudes through at least one rivet opening in at least one connecting link and a rivet opening in the driving link. At least one rivet bolt has a notch at at least one end side, having a notch edge and a notch bottom. The distance between the notch edge and the midplane of the saw chain increases with increasing radial distance relative to the rivet bolt axis. The notch edge surrounds the notch bottom. The distance between the notch bottom and the midplane of the saw chain does not increase at any point on the notch bottom with increasing radial distance relative to the rivet bolt axis. The maximum distance between the notch bottom and the rivet bolt axis corresponds to 50% to 100% of half the core diameter of the rivet bolt. The saw chain is configured such that the rivet bolt is constructed as a solid body and has a first end side and a second end side, which are constructed differently.

A saw chain disclosed herein may be configured to be movably supported along a circumference of a guide bar. The saw chain may include a plurality of drive links, a plurality of side links, and a plurality of connecting pins. At least two side links of the plurality of side links may each include a cutting portion having a cutting blade and a depth reamer. A cutting width of the saw chain may range from 4.3 mm to 4.6 mm. A depth of the saw chain may range from 0.1 mm to 0.3 mm. A chain pitch of the saw chain may range from 8.0 mm to 8.5 mm.

A diamond segment may include a steel weld pad that is configured to be coupled with a drive link of a cutting chain. The diamond segment may further include a diamond layer that is coupled with the steel weld pad such that the diamond layer extends along a height of the steel weld pad at a peripheral portion of the steel weld pad. Other embodiments may be described and claimed.

The invention relates to a cutting element (1) for a tool chain with a base body (2) and a cutting tooth (3) formed on the base body (2), wherein the cutting tooth (3) has at least a partial chrome coating (10), wherein the chrome coating (10) has a crack density of ≤ 300 cracks per centimeter. The invention further relates to a method for manufacturing a cutting element (1) for a tool chain. The invention further relates to a tool chain and a chain tool.